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/*
Libft Copyright (C) 2026 yctct
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "libft.h"
char *ft_strtrim(char const *s1, char const *set)
{
int i;
char *ptr;
int start;
int end;
int slen;
i = 0;
while (s1[i] && ft_strchr(set, s1[i]))
i++;
start = i;
slen = ft_strlen(s1);
i = 0;
while (s1[slen - i - 1] && ft_strchr(set, s1[slen - i - 1]))
i++;
end = i;
ptr = ft_substr(s1, start, (slen - start - end));
return (ptr);
}
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